Phase portraits of random planar homogeneous vector fields

Anna Cimà, Armengol Gasull, Víctor Mañosa Fernández

Research output: Contribution to journalArticleResearchpeer-review

3 Citations (Scopus)

Abstract

In this paper, we study the probability of occurrence of phase portraits in the set of random planar homogeneous polynomial vector fields, of degree n. In particular, for n= 1, 2, 3, we give the complete solution of the problem; that is, we either give the exact value of each probability of occurrence or we estimate it by using the Monte Carlo method. Remarkably is that all but two of these phase portraits are characterized by the index at the origin and by the number of invariant straight lines through this point.
Original languageEnglish
JournalQualitative Theory of Dynamical Systems
Volume20
Issue number1
DOIs
Publication statusAccepted in press - 2021

Keywords

  • Ordinary differential equations with random coefficients
  • Planar homogeneous vector fields
  • Index
  • Phase portraits

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